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2 years ago

Question 7

Mathematics

1 answer:

Sedbober [7]2 years ago

5 0

Answer:

1.27

Step-by-step explanation:

In Centimeter It's 127 Just Put A Decimal! :)

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A cylinder has a radius of 9 inches and a height of 5 inches. What is the volume and surface area of the cylinder?

Licemer1 [7]

The answer is:
v ≈ 1272.35 in^3

Sorry if this does not help.

4 0

3 years ago

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What is the slope of the line that passes through the pair of points (-1, 4), (3,12)

Nadya [2.5K]

Answer:

$\displaystyle m = 2$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)
Slope Formula: $\displaystyle m = \frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Identify

Point (-1, 4)

Point (3, 12)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute in points [Slope Formula]: $\displaystyle m = \frac{12-4}{3--1}$
[Fraction] Subtract: $\displaystyle m = \frac{8}{4}$
[Fraction] Divide: $\displaystyle m = 2$

3 0

3 years ago

Write a unit rate for the situation: 2520 kilobytes in 18 seconds

elixir [45]

140 kilobytes per second

7 0

3 years ago

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If the cost of a dozen eggs rises from .99 to 1.34 what is the percent of the increase

Amiraneli [1.4K]

To find the percent of increase get the difference between the prices and then divided by the oringinal price and then time that by 100

increase = $\frac{1.34 - .99}{.99} \times 100$

8 0

3 years ago

Express the first quantity as a percentage of the second. 1 h 3 min, 3 h 30min.

KatRina [158]

Answer:

30%

Step-by-step explanation:

first we require both quantities to have the same units

converting both to minutes

1 h 3 min = 60 + 3 = 63 min

3h 30 min = (3 × 60) + 30 = 180 + 30 = 210 min

then express as a fraction and multiply by 100% to express as a percentage

$\frac{63}{210}$ × 100%

= 0.3 × 100%

= 30%

8 0

2 years ago